Voltage Protection | NCP361

过电压保护电路，USB 正向，带内部 PMOS FET 和过电流保护

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NCP361 能够在检测到错误 VBUS 运行情况时将系统从其输出引脚断开。该系统受高达 +20 V 的正向过电压保护。由于集成的 PMOS FET，无需外部器件，降低了系统成本和应用主板中的 PCB 面积。如果输入电压超过过电压阈值 (OVLO)，NCP361 则能够瞬变将输出与输入断开。由于过电流保护，当充电电流超过电流限值时，集成的 PMOS 将关断（参见订购信息中的选项）。NCP361 提供了负向标志 (FLAG) 输出，发生故障时会向系统发出警告。另外，该器件还具有 ESD 保护输入 (15 kV Air)，使用 1.0 µF 或更大电容器进行旁路联接。

  • Personal Digital Applications
  • Mobile Phones
  • MP3 Players
  • Computing
  • USB Devices
  • Set Top Boxes
  • Peripherals

  • Very Fast Protection, Up to 20 V, with 25 µA Current Consumption
  • On-chip PMOS Transistor
  • Overvoltage Lockout (OVLO)
  • Undervoltage Lockout (UVLO)
  • Overcurrent Protection.
  • Alert FLAG Output
  • EN Enable Pin
  • Thermal Shutdown
  • 6-Lead UDFN 2 x 2 mm Package
  • TSOP-5 3 x 3 mm Package
  • These are Pb-Free Devices

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NCP361MUTBG

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CAD Model

Pb

A

H

P

UDFN-6

517AB

1

260

REEL

3000

N

1.2

20

0.3

5.675

3

35

25

85

$0.3333

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NCP361SNT1G

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

1.2

20

0.3

5.675

3

35

25

85

$0.264

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NCV361SNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

1.2

20

0.3

5.675

3

35

-40

85

$0.2297

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可靠性数据

Die Related Summary Data

Device: NCP361MUTBG

Equivalent to wafer fab process: ONC25

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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